GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Windshield Wiper/Washer


Object Number: 628109  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Rear Wiper/Washer
Ground G202 Schematics
Ground G202 Schematics
Ground G200 Schematics
Ground G200 Schematics
Ground G200 Schematics
Fuse Block-Underhood Fuse: 41 Fuse Block-Center Console Fuses: SUN RF, ELC ACCY, ACC PWR, WIPER and RR WPR SW
Figure 2:

Rear Wiper/Washer-Buick


Object Number: 792011  Size: FS
Master Electrical Component List
Rear Wiper/Washer System Description and Operation
Windshield Wiper/Washer
Fuse Block-Underhood Fuse: 41 Fuse Block-Center Console Fuses: SUN RF, ELC ACCY, ACC PWR, WIPER and RR WPR SW
Ground G401, 402 and 403 Schematics
Ground G200 Schematics